November 16, 2006
6881094C31-E
5-26
Troubleshooting Charts:
VCO TX/RX Unlock
VOCON TX Audio (for kit NNTN5567)—Page 1
Inspect internal
and external
microphone
contacts
Radio has no
Transmitter
Deviation
(VOCON
Evaluation)
No
Connection
OK?
Yes
Repair
connections or
replace flex
connector
Connect an
RLN4460 test box
(or equivalent) to
the radio side
connector via a
programming
cable
Inject a 225 mV
rms 1.0 kHz tone
into the test box
Audio In port
Is FM
deviation
approximately
3.0 kHz?
No VOCON
problem found.
Yes
No
Voltage > 7.0
mV rms?
Replace C554
and/or C555
No
Voltage > 7.0
mV?
1
Yes
No
Replace L207
and/or L208
Yes
Check voltage on
C554 and C555
Summary of Contents for ASTRO XTS-5000
Page 7: ...vi Table of Contents November 16 2006 6881094C31 E Notes ...
Page 11: ...x List of Figures November 16 2006 6881094C31 E Notes ...
Page 17: ...November 16 2006 6881094C31 E xvi CommercialWarranty Notes ...
Page 31: ...November 16 2006 6881094C31 E xxx Portable Radio Model Numbering System Notes ...
Page 83: ...November 16 2006 6881094C31 E 3 44 Theory of Operation Encryption Module ...
Page 135: ...November 16 2006 6881094C31 E 5 44 Troubleshooting Charts Secure Hardware Failure Notes ...
Page 175: ...November 16 2006 6881094C31 E 7 32 Troubleshooting Tables List of Board and IC Signals Notes ...
Page 367: ...November 16 2006 6881094C31 E Glossary 10 Notes ...
Page 373: ...Index 6 November 16 2006 6881094C31 E Notes ...